code: def small_values(grads):
      """Can be used to highlight small gradient values.
  
      Args:
          grads: A numpy array of grads to use.
  
      Returns:
          The modified gradients that highlight small values.
      """
      return absolute(invert(grads))
  
file_path: keras-vis/vis/grad_modifiers.py
imports: from __future__ import absolute_import
  import numpy
  from keras import backend
  from .utils import utils
label_desc: Use image node_id 5 for calling a global function with example usage: small_values(grads) and returns: absolute